How to process URL with a space via Javascript

I am trying to utilize this piece of classic asp code and am getting errors:

<a href='javascript:delay(Update.asp?c=" & request.QueryString("c") & "&g=" & request.QueryString("g") & "')>

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I only get errors when request.QueryString("g") contains a space:

Invalid left-hand side in assignment

Below is the function:

<script>
	function delay (URL) {
	setTimeout( function() { window.location = URL }, 500 );
	}
</script>

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Thoughts?